Pith Number

pith:HYUBRJ35

pith:2013:HYUBRJ35F5GMLHSHV2NDJPILRU

not attested not anchored not stored refs pending

Fragmentation in Dusty Low-Metallicity Star Forming Halos

Brian W. O'Shea, Britton D. Smith, Gregory R. Meece

arxiv:1309.4090 v1 · 2013-09-16 · astro-ph.SR · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HYUBRJ35F5GMLHSHV2NDJPILRU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:55:57.307078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e2818a77d2f4cc59e47ae9a34bd0b8d3d9f8e71b1a6e684b4621e838d8a2207

Aliases

arxiv: 1309.4090 · arxiv_version: 1309.4090v1 · doi: 10.48550/arxiv.1309.4090 · pith_short_12: HYUBRJ35F5GM · pith_short_16: HYUBRJ35F5GMLHSH · pith_short_8: HYUBRJ35

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/HYUBRJ35F5GMLHSHV2NDJPILRU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3e2818a77d2f4cc59e47ae9a34bd0b8d3d9f8e71b1a6e684b4621e838d8a2207

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a95e9faa3807b153f6491e0155d1483adbbf8bda9b630fa0ec47f76273ab53c0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-09-16T20:00:01Z",
    "title_canon_sha256": "138def7a2399f1e81237aa9ef3a95c2e9503d0b6b944b533f43630027db1b72f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4090",
    "kind": "arxiv",
    "version": 1
  }
}